Karen Lyon, PHD RN CNS
NPI 1538153945 · Medical-Surgical Clinical Nurse Specialist · Tomball, TX
Karen Lyon, PHD RN CNS is a Medical-Surgical Clinical Nurse Specialist provider in Tomball, TX (NPI 1538153945).
Provider details
- NPI number
- 1538153945
- Entity type
- Individual
- Primary specialty
- Medical-Surgical Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PHD RN CNS
- Sex
- Female
- Sole proprietor
- Yes
- License
- 232773 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-31
- Last updated
- 2010-10-29
Frequently asked questions
- What is Karen Lyon's NPI number?
- Karen Lyon's National Provider Identifier (NPI) is 1538153945, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Lyon's specialty?
- Karen Lyon is listed in the NPPES registry with a primary specialty of Medical-Surgical Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Lyon located?
- Karen Lyon's practice location on file with NPPES is 605 Holderrieth Blvd, Tomball, TX 77375-6445.
- What is Karen Lyon's phone number?
- The practice phone number listed in the NPPES registry for Karen Lyon is (281) 401-7943.
- Is Karen Lyon's NPI active?
- Yes — Karen Lyon's NPI (1538153945) is active in the NPPES registry as of the last update on 2010-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.